Technical - Which one of the following statements allocates enough space to hold an array of 10 integers that

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Which one of the following statements allocates enough space to hold an array of 10 integers that are initialized to 0 ?

a) int *ptr = (int *) calloc(10,sizeof(int));
b) int *ptr = (int *) alloc( 10*sizeof(int));
c) int *ptr = (int *) malloc( 10*sizeof(int));
d) int *ptr = (int *)calloc(10*sizeof(int));

Answered by Ragini rani on 2005-05-13 09:01:56: a is the correct ans Calloc allocates space and initialized them to 0

Total Answers and Comments: 9

Last Update: November 08, 2006

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March 23, 2005 23:18:32

surya

RE: Which one of the following statements allocates enough space to hold an array of 10 integers that ...

C is the correct answer. Malloc allocates enough space for 10 integers

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May 13, 2005 09:01:56

Ragini rani

RE: Which one of the following statements allocates enough space to hold an array of 10 integers that ...

a is the correct ans Calloc allocates space and initialized them to 0

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July 27, 2005 15:56:48

vipin dhaiya

RE: Which one of the following statements allocates enough space to hold an array of 10 integers that ...

ans a is correct because calloc function ll initialize the array to zero

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July 30, 2005 09:34:05

gaurav dutta

RE: Which one of the following statements allocates enough space to hold an array of 10 integers that ...

a is the answer

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August 23, 2005 10:58:50

sandeep paliwal

RE: Which one of the following statements allocates enough space to hold an array of 10 integers that ...

(a) is the correct answer because calloc initialize the array to zero.....and since 2 arguments are needed for calling calloc function option (d) is incorrect

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May 02, 2006 10:08:19

sameer_gupta

Member Since: May 2006 Contribution: 1

RE: Which one of the following statements allocates en...

a is the answer as calloc syntax in d is wrong

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July 24, 2006 03:54:34

yash grotra

RE: Which one of the following statements allocates en...

a is the correct answer because calloc initilize the array to zero.

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October 03, 2006 08:34:32

Santh kumar

RE: Which one of the following statements allocates en...

Hi all i'd like clear difference b/w those 2 functions.

There are 2 differences.

First is in the number of arguments. malloc() takes a single argument(memory required in bytes) while calloc() needs 2 arguments(number of variables to allocate memory size in bytes of a single variable).

Secondly malloc() doesnot initialize the memory allocated while calloc() initializes the allocated memory to ZERO.

The difference b/w malloc and calloc are: 1. malloc() allocates byte of memory where as calloc()allocates block of memory.

malloc(s); returns a pointer for enough storage for an object of s bytes. calloc(n s); returns a pointer for enough contiguous storage for n objects each of s bytes. The storage is all initialised to zeros.

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November 08, 2006 10:19:03

Purvi mehta

RE: Which one of the following statements allocates en...

Ans:- C

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